// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})

// 云函数入口函数
exports.main = async (event, context) => {
  const db = cloud.database();

  const {seasonId, activityId, userId} = event;

  const ranks = await db.collection('rank').where({
    seasonId,
    activityId,
    userId
  }).get();

  return ranks.data;
}